moving from https://github.com/perberos/mate-desktop-environment

1 files changed, 381 insertions, 0 deletions

diff --git a/capplets/appearance/theme-save.c b/capplets/appearance/theme-save.c
new file mode 100644
index 00000000..f4981468
--- /dev/null
+++ b/capplets/appearance/theme-save.c
@@ -0,0 +1,381 @@
+/*
+ * Copyright (C) 2007 The MATE Foundation
+ * Written by Thomas Wood <[email protected]>
+ *            Jens Granseuer <[email protected]>
+ * All Rights Reserved
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License along
+ * with this program; if not, write to the Free Software Foundation, Inc.,
+ * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
+ */
+
+#include "appearance.h"
+
+#include <glib/gstdio.h>
+#include <glib/gi18n.h>
+#include <string.h>
+
+#include "theme-save.h"
+#include "theme-util.h"
+#include "capplet-util.h"
+
+static GQuark error_quark;
+enum {
+  INVALID_THEME_NAME
+};
+
+/* taken from mate-desktop-item.c */
+static gchar *
+escape_string_and_dup (const gchar *s)
+{
+  gchar *return_value, *p;
+  const gchar *q;
+  int len = 0;
+
+  if (s == NULL)
+    return g_strdup("");
+
+  q = s;
+  while (*q)
+    {
+      len++;
+      if (strchr ("\n\r\t\\", *q) != NULL)
+	len++;
+      q++;
+    }
+  return_value = p = (gchar *) g_malloc (len + 1);
+  do
+    {
+      switch (*s)
+	{
+	case '\t':
+	  *p++ = '\\';
+	  *p++ = 't';
+	  break;
+	case '\n':
+	  *p++ = '\\';
+	  *p++ = 'n';
+	  break;
+	case '\r':
+	  *p++ = '\\';
+	  *p++ = 'r';
+	  break;
+	case '\\':
+	  *p++ = '\\';
+	  *p++ = '\\';
+	  break;
+	default:
+	  *p++ = *s;
+	}
+    }
+  while (*s++);
+  return return_value;
+}
+
+static gboolean
+check_theme_name (const gchar  *theme_name,
+		  GError      **error)
+{
+  if (theme_name == NULL) {
+    g_set_error (error,
+		 error_quark,
+		 INVALID_THEME_NAME,
+		 _("Theme name must be present"));
+    return FALSE;
+  }
+  return TRUE;
+}
+
+static gchar *
+str_remove_slash (const gchar *src)
+{
+  const gchar *i;
+  gchar *rtn;
+  gint len = 0;
+  i = src;
+
+  while (*i) {
+    if (*i != '/')
+      len++;
+    i++;
+  }
+
+  rtn = (gchar *) g_malloc (len + 1);
+  while (*src) {
+    if (*src != '/') {
+      *rtn = *src;
+      rtn++;
+    }
+    src++;
+  }
+  *rtn = '\0';
+  return rtn - len;
+}
+
+static gboolean
+setup_directory_structure (const gchar  *theme_name,
+			   GError      **error)
+{
+  gchar *dir, *theme_name_dir;
+  gboolean retval = TRUE;
+
+  theme_name_dir = str_remove_slash (theme_name);
+
+  dir = g_build_filename (g_get_home_dir (), ".themes", NULL);
+  if (!g_file_test (dir, G_FILE_TEST_EXISTS))
+    g_mkdir (dir, 0775);
+  g_free (dir);
+
+  dir = g_build_filename (g_get_home_dir (), ".themes", theme_name_dir, NULL);
+  if (!g_file_test (dir, G_FILE_TEST_EXISTS))
+    g_mkdir (dir, 0775);
+  g_free (dir);
+
+  dir = g_build_filename (g_get_home_dir (), ".themes", theme_name_dir, "index.theme", NULL);
+  g_free (theme_name_dir);
+
+  if (g_file_test (dir, G_FILE_TEST_EXISTS)) {
+    GtkDialog *dialog;
+    GtkWidget *button;
+    gint response;
+
+    dialog = (GtkDialog *) gtk_message_dialog_new (NULL,
+						   GTK_DIALOG_MODAL,
+						   GTK_MESSAGE_QUESTION,
+	 					   GTK_BUTTONS_CANCEL,
+						   _("The theme already exists. Would you like to replace it?"));
+    button = gtk_dialog_add_button (dialog, _("_Overwrite"), GTK_RESPONSE_ACCEPT);
+    gtk_button_set_image (GTK_BUTTON (button),
+			  gtk_image_new_from_stock (GTK_STOCK_SAVE, GTK_ICON_SIZE_BUTTON));
+    response = gtk_dialog_run (dialog);
+    gtk_widget_destroy (GTK_WIDGET (dialog));
+    retval = (response != GTK_RESPONSE_CANCEL);
+  }
+  g_free (dir);
+
+  return retval;
+}
+
+static gboolean
+write_theme_to_disk (MateThemeMetaInfo  *theme_info,
+		     const gchar         *theme_name,
+		     const gchar         *theme_description,
+		     gboolean		  save_background,
+		     GError             **error)
+{
+	gchar* dir;
+	gchar* theme_name_dir;
+	GFile* tmp_file;
+	GFile* target_file;
+	GOutputStream* output;
+
+	gchar* str;
+	gchar* current_background;
+
+	MateConfClient* client;
+	const gchar* theme_header = ""
+		"[Desktop Entry]\n"
+		"Name=%s\n"
+		"Type=X-GNOME-Metatheme\n"
+		"Comment=%s\n"
+		"\n"
+		"[X-GNOME-Metatheme]\n"
+		"GtkTheme=%s\n"
+		"MetacityTheme=%s\n"
+		"IconTheme=%s\n";
+
+  theme_name_dir = str_remove_slash (theme_name);
+  dir = g_build_filename (g_get_home_dir (), ".themes", theme_name_dir, "index.theme~", NULL);
+  g_free (theme_name_dir);
+
+  tmp_file = g_file_new_for_path (dir);
+  dir [strlen (dir) - 1] = '\000';
+  target_file = g_file_new_for_path (dir);
+  g_free (dir);
+
+  /* start making the theme file */
+  str = g_strdup_printf(theme_header, theme_name, theme_description, theme_info->gtk_theme_name, theme_info->marco_theme_name, theme_info->icon_theme_name);
+
+  output = G_OUTPUT_STREAM (g_file_replace (tmp_file, NULL, FALSE, G_FILE_CREATE_NONE, NULL, NULL));
+  g_output_stream_write (output, str, strlen (str), NULL, NULL);
+  g_free (str);
+
+  if (theme_info->gtk_color_scheme) {
+    gchar *a, *tmp;
+    tmp = g_strdup (theme_info->gtk_color_scheme);
+    for (a = tmp; *a != '\0'; a++)
+      if (*a == '\n')
+        *a = ',';
+    str = g_strdup_printf ("GtkColorScheme=%s\n", tmp);
+    g_output_stream_write (output, str, strlen (str), NULL, NULL);
+
+    g_free (str);
+    g_free (tmp);
+  }
+
+  if (theme_info->cursor_theme_name) {
+#ifdef HAVE_XCURSOR
+    str = g_strdup_printf ("CursorTheme=%s\n"
+                           "CursorSize=%i\n",
+                           theme_info->cursor_theme_name,
+                           theme_info->cursor_size);
+#else
+    str = g_strdup_printf ("CursorFont=%s\n", theme_info->cursor_theme_name);
+#endif
+    g_output_stream_write (output, str, strlen (str), NULL, NULL);
+    g_free (str);
+  }
+
+  if (theme_info->notification_theme_name) {
+    str = g_strdup_printf ("NotificationTheme=%s\n", theme_info->notification_theme_name);
+    g_output_stream_write (output, str, strlen (str), NULL, NULL);
+    g_free (str);
+  }
+
+  if (save_background) {
+    client = mateconf_client_get_default ();
+    current_background = mateconf_client_get_string (client, BACKGROUND_KEY, NULL);
+
+    if (current_background != NULL) {
+      str = g_strdup_printf ("BackgroundImage=%s\n", current_background);
+
+      g_output_stream_write (output, str, strlen (str), NULL, NULL);
+
+      g_free (current_background);
+      g_free (str);
+    }
+    g_object_unref (client);
+  }
+
+  g_file_move (tmp_file, target_file, G_FILE_COPY_OVERWRITE, NULL, NULL, NULL, NULL);
+  g_output_stream_close (output, NULL, NULL);
+
+  g_object_unref (tmp_file);
+  g_object_unref (target_file);
+
+  return TRUE;
+}
+
+static gboolean
+save_theme_to_disk (MateThemeMetaInfo  *theme_info,
+		    const gchar         *theme_name,
+		    const gchar         *theme_description,
+		    gboolean		 save_background,
+		    GError             **error)
+{
+  if (!check_theme_name (theme_name, error))
+    return FALSE;
+
+  if (!setup_directory_structure (theme_name, error))
+    return FALSE;
+
+  if (!write_theme_to_disk (theme_info, theme_name, theme_description, save_background, error))
+    return FALSE;
+
+  return TRUE;
+}
+
+static void
+save_dialog_response (GtkWidget      *save_dialog,
+		      gint            response_id,
+		      AppearanceData *data)
+{
+  if (response_id == GTK_RESPONSE_OK) {
+    GtkWidget *entry;
+    GtkWidget *text_view;
+    GtkTextBuffer *buffer;
+    GtkTextIter start_iter;
+    GtkTextIter end_iter;
+    gchar *buffer_text;
+    MateThemeMetaInfo *theme_info;
+    gchar *theme_description = NULL;
+    gchar *theme_name = NULL;
+    gboolean save_background;
+    GError *error = NULL;
+
+    entry = appearance_capplet_get_widget (data, "save_dialog_entry");
+    theme_name = escape_string_and_dup (gtk_entry_get_text (GTK_ENTRY (entry)));
+
+    text_view = appearance_capplet_get_widget (data, "save_dialog_textview");
+    buffer = gtk_text_view_get_buffer (GTK_TEXT_VIEW (text_view));
+    gtk_text_buffer_get_start_iter (buffer, &start_iter);
+    gtk_text_buffer_get_end_iter (buffer, &end_iter);
+    buffer_text = gtk_text_buffer_get_text (buffer, &start_iter, &end_iter, FALSE);
+    theme_description = escape_string_and_dup (buffer_text);
+    g_free (buffer_text);
+    theme_info = (MateThemeMetaInfo *) g_object_get_data (G_OBJECT (save_dialog), "meta-theme-info");
+    save_background = gtk_toggle_button_get_active (GTK_TOGGLE_BUTTON (
+		      appearance_capplet_get_widget (data, "save_background_checkbutton")));
+
+    if (save_theme_to_disk (theme_info, theme_name, theme_description, save_background, &error)) {
+      /* remove the custom theme */
+      GtkTreeIter iter;
+
+      if (theme_find_in_model (GTK_TREE_MODEL (data->theme_store), "__custom__", &iter))
+        gtk_list_store_remove (data->theme_store, &iter);
+    }
+
+    g_free (theme_name);
+    g_free (theme_description);
+    g_clear_error (&error);
+  }
+
+  gtk_widget_hide (save_dialog);
+}
+
+static void
+entry_text_changed (GtkEditable *editable,
+                    AppearanceData  *data)
+{
+  const gchar *text;
+  GtkWidget *button;
+
+  text = gtk_entry_get_text (GTK_ENTRY (editable));
+  button = appearance_capplet_get_widget (data, "save_dialog_save_button");
+
+  gtk_widget_set_sensitive (button, text != NULL && text[0] != '\000');
+}
+
+void
+theme_save_dialog_run (MateThemeMetaInfo *theme_info,
+		       AppearanceData     *data)
+{
+  GtkWidget *entry;
+  GtkWidget *text_view;
+  GtkTextBuffer *text_buffer;
+
+  entry = appearance_capplet_get_widget (data, "save_dialog_entry");
+  text_view = appearance_capplet_get_widget (data, "save_dialog_textview");
+
+  if (data->theme_save_dialog == NULL) {
+    data->theme_save_dialog = appearance_capplet_get_widget (data, "theme_save_dialog");
+
+    g_signal_connect (data->theme_save_dialog, "response", (GCallback) save_dialog_response, data);
+    g_signal_connect (data->theme_save_dialog, "delete-event", (GCallback) gtk_true, NULL);
+    g_signal_connect (entry, "changed", (GCallback) entry_text_changed, data);
+
+    error_quark = g_quark_from_string ("mate-theme-save");
+    gtk_widget_set_size_request (text_view, 300, 100);
+  }
+
+  gtk_entry_set_text (GTK_ENTRY (entry), "");
+  entry_text_changed (GTK_EDITABLE (entry), data);
+  gtk_widget_grab_focus (entry);
+
+  text_buffer = gtk_text_view_get_buffer (GTK_TEXT_VIEW (text_view));
+  gtk_text_buffer_set_text (text_buffer, "", 0);
+  g_object_set_data (G_OBJECT (data->theme_save_dialog), "meta-theme-info", theme_info);
+  gtk_window_set_transient_for (GTK_WINDOW (data->theme_save_dialog),
+                                GTK_WINDOW (appearance_capplet_get_widget (data, "appearance_window")));
+  gtk_widget_show (data->theme_save_dialog);
+}